Abbott, W.
Practical geometry and engineering graphics : a textbook for engineering and other students - 6th ed. - London Blackie 1956 - 366p. : ill.
621.7:744 / A2
Practical geometry and engineering graphics : a textbook for engineering and other students - 6th ed. - London Blackie 1956 - 366p. : ill.
621.7:744 / A2